Learn what causes lemon tree leaves to yellow and how to restore healthy green foliage.

The glorious show of autumn color is transitioning to the familiar browns and barren trees that will continue through winter. Two Purdue experts recently offered advice on what to do with fallen ...

Stacker used information from forestry and landscaping sites to compile a quiz to identify trees by looking at their leaves.

Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in your yard.

Powdery mildew on Tatarian maple leaves. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park ...

Expert advice on holly leaf damage, pecan trees, yuccas, squirrels, hydrangeas, azaleas and other garden problems.

Question: My hackberry trees are dropping leaves for no apparent reason. The leaves look fine, no bugs or mold spots or discoloration of any kind. Do you have any idea what might be causing the leaf ...